We report a novel radio autocorrelation (AC) search for extraterrestrial intelligence (SETI). For selected frequencies across the terrestrial microwave window (1-10 GHz) observations were conducted at the Allen Telescope Array to identify artificial non-sinusoidal periodic signals with radio bandwidths greater than 1 kHz, which are capable of carry...

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| The systematic search for extraterrestrial intelligence (SETI) has been ongoing for slightly more than half the century that this journal has been in print, and the topic has been of human interest through recorded history. Are we any closer to detecting cosmic company or knowing whether it should be there? This paper takes a look at what has bee...

The machine readable Table 2 in the published version of this paper contained an error whereby 90◦ was mistakenly added to the position angle (PA) values. The values in the extract from the table in the published paper are correct. Here, we submit an amended machine readable table.

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We report on a search for the presence of signals from extraterrestrial intelligence in the direction of the star system KIC 8462852. Observations were made at radio frequencies between 1-10 GHz using the Allen Telescope Array. No narrowband radio signals were found at a level of 180-300 Jy in a 1 Hz channel, or wideband signals above 100 Jy in a 1...

In this paper, we present the ATA Twenty-centimeter Survey (ATATS), which consists of observations of 690deg 2 of sky centered on the~ 10deg 2 Bootes deep field. ATATS observations were spread over 12 epochs from 2009 January 12 to April 3. This paper examines the image and catalog made with data from all 12 epochs and compares it to the NRAO VLA S...

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Many radio SETI searches focus on the frequency range where the HI (1.42 GHz) and OH lines (1.6-1.7 GHz) lines are landmarks delineating the water hole This is only a small fraction of the terrestrial microwave window (TMW) from 1-10 GHz. This survey occurs near the center of the TMW at 4.462336275 GHz or pi times the HI frequency. We call this the...